| 摘要 |
PURPOSE: A control circuit of a cooling fan for cleaning a radiator grill for preventing the error of a vehicle is provided to maximize the cool efficiency of vehicle cooler and reduce the malfunction of the vehicle. CONSTITUTION: A control circuit of a cooling fan for cleaning a radiator grill for preventing the error of a vehicle includes a cooling fan(2), a valve, a valve driving unit(20) and an electronic air unit(10). The cooling fan is installed at the radiator grill of the vehicles. The valve electrically controls the rotation of the cooling fan. The valve operation unit generates driving current for controlling the valve. The electronic control unit controls the valve control signal.
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